<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>
<body>
    <!-- <div class="box">asdfghjkjhgfdsdfgh</div> -->
    <!-- <span class="inline">bbbbbb</span> -->
    <div class="wrapper">
        <div>1</div>
        <div>2</div>
        <div>3</div>
        <div>4</div>
        <div>5</div>

    </div>
</body>
<style>
    /* .box{
        background-color: red;
        float: left;
    } */
    /* .inline{
        width: 100px;
        height: 100px;
        background-color: red;
        float: left;
    } */
    .wrapper{
        width: 300px;
        height: 300px;
        background-color: pink;
    }
    .wrapper div{
        width: 100px;
        height: 100px;
        border: 2px solid yellowgreen;
        box-sizing: border-box;
        float: left;
    }
</style>
</html>